. . . . . "The building blocks of the Italian Beef are: Bun ??? a Chicago style French roll ??? crusty on the outside ??? soft on the inside; the beef ??? thinly sliced and cut against the grain; the juice/sauce ??? a highly seasoned au jus with slight variations depending on the recipe used but usually including some combination of garlic, salt, pepper, oregano, basil, red pepper flakes, and other herbs and" .